Valve cover



FIG. 1 is a right top perspective view of a valve cover in accordance with our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof, the right side elevation view is a mirror image thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left bottom perspective view thereof;

FIG. 8 is a right top perspective view thereof and shown attached to a base; and,

FIG. 9 is a right top perspective view of FIG. 8 and shown attached to a respirator.

The diagonal surface shading lines indicate that the surface of the valve cover is either transparent or translucent as further described herein.

The gray surfaces of the valve cover are translucent. The remaining claimed surfaces, other than the gray surfaces, of the valve cover are transparent.

The dash-dash broken lines showing the base in FIGS. 8-9 and the respirator in FIG. 9 depict environment and form no part of the claimed design. All other dash-dash broken lines depict portions of the valve cover that form no part of the claimed design. 

CLAIM The ornamental design for a valve cover, as shown and described. 